ZA796174B - Tools for cutting heads - Google Patents

Tools for cutting heads

Info

Publication number
ZA796174B
ZA796174B ZA00796174A ZA796174A ZA796174B ZA 796174 B ZA796174 B ZA 796174B ZA 00796174 A ZA00796174 A ZA 00796174A ZA 796174 A ZA796174 A ZA 796174A ZA 796174 B ZA796174 B ZA 796174B
Authority
ZA
South Africa
Prior art keywords
tools
cutting heads
heads
cutting
Prior art date
Application number
ZA00796174A
Other languages
English (en)
Inventor
S Howe
Original Assignee
Hall & Pickles Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hall & Pickles Ltd filed Critical Hall & Pickles Ltd
Publication of ZA796174B publication Critical patent/ZA796174B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/12—Roller bits with discs cutters
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/104—Cutting tool fixtures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
ZA00796174A 1978-11-25 1979-11-16 Tools for cutting heads ZA796174B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7846070 1978-11-25

Publications (1)

Publication Number Publication Date
ZA796174B true ZA796174B (en) 1980-11-26

Family

ID=10501327

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00796174A ZA796174B (en) 1978-11-25 1979-11-16 Tools for cutting heads

Country Status (4)

Country Link
AU (1) AU5301379A (de)
DE (1) DE2946893A1 (de)
FR (1) FR2468721A1 (de)
ZA (1) ZA796174B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016125917A1 (de) 2016-12-30 2018-07-05 Wirtgen Gmbh Meißelwechselhalter
DE102016125921A1 (de) 2016-12-30 2018-07-05 Wirtgen Gmbh Werkzeugkombination mit einem Meißelhalter und zwei Meißeln

Also Published As

Publication number Publication date
FR2468721A1 (fr) 1981-05-08
DE2946893A1 (de) 1980-06-04
AU5301379A (en) 1980-05-29

Similar Documents

Publication Publication Date Title
DE2967038D1 (en) Cutting tool
GB2026915B (en) Cutting tool
GB2087949B (en) Cutting tools
JPS5656326A (en) Cutting tool
HU179654B (en) Cutting device arrangement for cutting tool
JPS5548504A (en) Cutting tool
JPS5570503A (en) Rotary cutting tool
GB2043292B (en) Cutting tool
JPS54128088A (en) Cutting tool plate
PT68767A (en) Hand operated cutting tool
JPS557390A (en) Rock cutting tool
DE3066118D1 (en) Cutting tool
JPS5537290A (en) Cutting tool
GB2016350B (en) Ultrasonic cutting tool
GB2046652B (en) Hand-held cutting tool
GB2020213B (en) Machine tool cutter
JPS5531580A (en) Rotary cutting tool
GB2027632B (en) Planing tool
GB2059824B (en) Cutting tool
ZA796174B (en) Tools for cutting heads
JPS5689402A (en) Cutting tool
NZ195024A (en) Cutting tool for delimbing unit
GB2033817B (en) Cutting tool
JPS54128104A (en) Cutter head
GB2050226B (en) Cutting tools